Usage:
Corcoran Member of Mount Garfield Formation of Mesaverde Group (CO*)
Corcoran Member of Price River Formation (CO)
Corcoran Sandstone Member of Iles Formation of Mesaverde Group (CO)
Geologic age:
Late Cretaceous (Campanian)*
Type section, locality, area and/or origin of name:
Not designated. Named from exposures near the old Corcoran Mine north of Palisade, Mesa Co., CO (Young, 1955).
AAPG geologic province:
Piceance basin*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).